exec.h.svn-base

我们自己开发的一个OSEK操作系统！不知道可不可以？

/*
 *  ARM execution defines
 *
 *  Copyright (c) 2003 Fabrice Bellard
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include "config.h"
#include "dyngen-exec.h"

register struct CPUARMState *env asm(AREG0);
register uint32_t T0 asm(AREG1);
register uint32_t T1 asm(AREG2);
register uint32_t T2 asm(AREG3);

/* TODO: Put these in FP regs on targets that have such things.  */
/* It is ok for FT0s and FT0d to overlap.  Likewise FT1s and FT1d.  */
#define FT0s env->vfp.tmp0s
#define FT1s env->vfp.tmp1s
#define FT0d env->vfp.tmp0d
#define FT1d env->vfp.tmp1d

#define M0   env->iwmmxt.val

#include "cpu.h"
#include "exec-all.h"

static inline void env_to_regs(void)
{
}

static inline void regs_to_env(void)
{
}

int cpu_arm_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
                              int mmu_idx, int is_softmmu);

static inline int cpu_halted(CPUState *env) {
    if (!env->halted)
        return 0;
    /* An interrupt wakes the CPU even if the I and F CPSR bits are
       set.  We use EXITTB to silently wake CPU without causing an
       actual interrupt.  */
    if (env->interrupt_request &
        (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB)) {
        env->halted = 0;
        return 0;
    }
    return EXCP_HALTED;
}

#if !defined(CONFIG_USER_ONLY)
#include "softmmu_exec.h"
#endif

/* In op_helper.c */

void helper_set_cp(CPUState *, uint32_t, uint32_t);
uint32_t helper_get_cp(CPUState *, uint32_t);
void helper_set_cp15(CPUState *, uint32_t, uint32_t);
uint32_t helper_get_cp15(CPUState *, uint32_t);
void helper_set_r13_banked(CPUState *env, int mode, uint32_t val);
uint32_t helper_get_r13_banked(CPUState *env, int mode);
uint32_t helper_v7m_mrs(CPUState *env, int reg);
void helper_v7m_msr(CPUState *env, int reg, uint32_t val);

void helper_mark_exclusive(CPUARMState *, uint32_t addr);
int helper_test_exclusive(CPUARMState *, uint32_t addr);
void helper_clrex(CPUARMState *env);

void cpu_loop_exit(void);

void raise_exception(int);

void do_vfp_abss(void);
void do_vfp_absd(void);
void do_vfp_negs(void);
void do_vfp_negd(void);
void do_vfp_sqrts(void);
void do_vfp_sqrtd(void);
void do_vfp_cmps(void);
void do_vfp_cmpd(void);
void do_vfp_cmpes(void);
void do_vfp_cmped(void);
void do_vfp_set_fpscr(void);
void do_vfp_get_fpscr(void);
float32 helper_recps_f32(float32, float32);
float32 helper_rsqrts_f32(float32, float32);
uint32_t helper_recpe_u32(uint32_t);
uint32_t helper_rsqrte_u32(uint32_t);
float32 helper_recpe_f32(float32);
float32 helper_rsqrte_f32(float32);
void helper_neon_tbl(int rn, int maxindex);
uint32_t helper_neon_mul_p8(uint32_t op1, uint32_t op2);